1608743668290 has 32 divisors (see below), whose sum is σ = 4211983423296. Its totient is φ = 389998464960.

The previous prime is 1608743668283. The next prime is 1608743668297. The reversal of 1608743668290 is 928663478061.

It is an interprime number because it is at equal distance from previous prime (1608743668283) and next prime (1608743668297).

It is not an unprimeable number, because it can be changed into a prime (1608743668297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437490077 + ... + 2437490736.

It is an arithmetic number, because the mean of its divisors is an integer number (131624481978).

Almost surely, 2^{1608743668290} is an apocalyptic number.

1608743668290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1608743668290 is an abundant number, since it is smaller than the sum of its proper divisors (2603239755006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1608743668290 is a wasteful number, since it uses less digits than its factorization.

1608743668290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874980834.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 1608743668290 in words is "one trillion, six hundred eight billion, seven hundred forty-three million, six hundred sixty-eight thousand, two hundred ninety".